Ramos, T. de M.; Bezerra, J. S. B. .; Silva, J. E. S.; Kirst, F. V.; Batista, M. dos S. B.; Canuto, A. C. B.; De-Bortoli, R. Intellectual Property in the Performance of Physical Education Professionals: Characterizing Elements for Copyright Protection. Int J Innov Educ Res 2021, 9 (4), 81-90. https://doi.org/10.31686/ijier.vol9.iss4.3023.